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Liu Q, Feng NN, Chen LJ. Genetic analysis of a child with SATB2‑associated syndrome and literature study. Exp Ther Med 2023; 26:372. [PMID: 37415841 PMCID: PMC10320656 DOI: 10.3892/etm.2023.12071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 02/23/2023] [Indexed: 07/08/2023] Open
Abstract
The present study aimed to investigate clinical phenotype and genotype characteristics of a male child with SATB2-associated syndrome (SAS) and analyzed the relationship between these characteristics and the possible underlying genetic mechanism. His clinical phenotype was analyzed. Using a high-throughput sequencing platform, his DNA samples were subjected to medical exome sequencing, screened for suspected variant loci and analyzed for chromosomal copy number variations. The suspected pathogenic loci were verified by Sanger sequencing. He presented with phenotypic anomalies of delayed growth, delayed speech and mental development, facial dysmorphism showing the typical manifestation of SAS and motor retardation symptoms. Gene sequencing result analyses revealed a de novo heterozygous repeat insertion shift mutation in the SATB2 gene (NM_015265.3) c.771dupT (p.Met258Tyrfs*46), resulting in a frameshift mutation from methionine to tyrosine at the amino acid site 258 and a truncated protein with 46 amino acids missing. The parents showed no mutation at this locus. This mutation was identified as the nosogenesis of this syndrome in children. To the best of the authors' knowledge, this is the first report on this mutation. The clinical manifestations and gene variation characteristics of 39 previously reported SAS cases were analyzed together with this case. The findings of the present study suggested severely impaired language development, facial dysmorphism and varying degrees of delayed intellectual development as the characteristic clinical manifestations of SAS.
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Affiliation(s)
- Qian Liu
- Center for Reproductive Medicine, Center for Prenatal Genetics, First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Nan-Nan Feng
- Center for Reproductive Medicine, Center for Prenatal Genetics, First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Lin-Jiao Chen
- Center for Reproductive Medicine, Center for Prenatal Genetics, First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
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Kurosaka H, Yamamoto S, Hirasawa K, Yanagishita T, Fujioka K, Yagasaki H, Nagata M, Ishihara Y, Yonei A, Asano Y, Nagata N, Tsujimoto T, Inubushi T, Yamamoto T, Sakai N, Yamashiro T. Craniofacial and dental characteristics of three Japanese individuals with genetically diagnosed SATB2-associated syndrome. Am J Med Genet A 2023. [PMID: 37141439 DOI: 10.1002/ajmg.a.63225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 04/12/2023] [Accepted: 04/20/2023] [Indexed: 05/06/2023]
Abstract
Craniofacial defects are one of the most frequent phenotypes in syndromic diseases. More than 30% of syndromic diseases are associated with craniofacial defects, which are important for the precise diagnosis of systemic diseases. Special AT-rich sequence-binding protein 2 (SATB2)-associated syndrome (SAS) is a rare syndromic disease associated with a wide variety of phenotypes, including intellectual disability and craniofacial defects. Among them, dental anomalies are the most frequently observed phenotype and thus becomes an important diagnostic criterion for SAS. In this report, we demonstrate three Japanese cases of genetically diagnosed SAS with detailed craniofacial phenotypes. The cases showed multiple dental problems, which have been previously reported to be linked to SAS, including abnormal crown morphologies and pulp stones. One case showed a characteristic enamel pearl at the root furcation. These phenotypes add new insights for differentiating SAS from other disorders.
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Affiliation(s)
- Hiroshi Kurosaka
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Sayuri Yamamoto
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Kyoko Hirasawa
- Department of Pediatrics, Tokyo Women's Medical University, Tokyo, Japan
| | - Tomoe Yanagishita
- Institute of Medical Genetics, Tokyo Women's Medical University, Tokyo, Japan
| | - Kaoru Fujioka
- Department of Pediatrics, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Hideaki Yagasaki
- Department of Pediatrics, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Miho Nagata
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yasuki Ishihara
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Ayumi Yonei
- Department of Genetic Counseling Osaka University Hospital, Osaka, Japan
| | - Yoshihiro Asano
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Namiki Nagata
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Takayuki Tsujimoto
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Toshihiro Inubushi
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Toshiyuki Yamamoto
- Institute of Medical Genetics, Tokyo Women's Medical University, Tokyo, Japan
| | - Norio Sakai
- Department of Genetic Counseling Osaka University Hospital, Osaka, Japan
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Japan
- Department of Health Science, Child Healthcare and Genetic Science, Osaka University Graduate School of Medicine, Suita, Japan
| | - Takashi Yamashiro
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Suita, Japan
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Li X, Ye X, Su J. The dental phenotype of primary dentition in SATB2-associated syndrome: a report of three cases and literature review. BMC Oral Health 2022; 22:522. [PMID: 36457071 PMCID: PMC9717407 DOI: 10.1186/s12903-022-02594-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 11/13/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND SATB2-associated syndrome (SAS; OMIM: 612,313) is an autosomal dominant inherited multisystemic disorder caused by several variants of the SATB2 gene. SAS is characterized by intellectual disability, developmental delay, severe speech anomalies, craniofacial anomalies, and dental abnormalities. Here, we report the dental phenotype of primary dentition of three Chinese children with SAS. CASE PRESENTATION All three cases with SAS showed intellectual disability, speech and language anomalies, and palate anomalies. For the dental phenotype, all three cases showed macrodontia, crowded dentition, extensive caries, periapical abscesses and fistulas. Radiographs showed the wide-open root apex of deciduous teeth, loss of mandibular second bicuspids, delayed root formation of permanent teeth, rotated teeth, and taurodontism. Sanger sequencing of case 1 showed that there was a heterozygous code shift variation, c1985delT (p.F662Sfs*9) in the SATB2 gene, which has not been reported in literature. Root canal therapy, carious restoration, and teeth extraction were managed promptly, while preventive dental care was given regularly. CONCLUSIONS The dental phenotype of primary dentition in SAS may show macrodontia, crowded dentition, severe caries, wide-open root apex of deciduous teeth, loss of mandibular second bicuspids, delayed root formation of permanent teeth, rotated teeth, and taurodontism. Regular oral hygiene instructions and preventive dental care are both required.
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Affiliation(s)
- Xiaojing Li
- grid.13402.340000 0004 1759 700XDepartment of Stomatology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052 Zhejiang China
| | - Xiaowei Ye
- grid.13402.340000 0004 1759 700XDepartment of Stomatology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052 Zhejiang China
| | - Jimei Su
- grid.13402.340000 0004 1759 700XDepartment of Stomatology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052 Zhejiang China
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Xin T, Li Q, Bai R, Zhang T, Zhou Y, Zhang Y, Han B, Yang R. A novel mutation of SATB2 inhibits odontogenesis of human dental pulp stem cells through Wnt/β-catenin signaling pathway. Stem Cell Res Ther 2021; 12:595. [PMID: 34863303 PMCID: PMC8642962 DOI: 10.1186/s13287-021-02660-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 09/23/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND SATB2-associated syndrome (SAS) is a multisystem disorder caused by mutation of human SATB2 gene. Tooth agenesis is one of the most common phenotypes observed in SAS. Our study aimed at identifying novel variant of SATB2 in a patient with SAS, and to investigate the cellular and molecular mechanism of tooth agenesis caused by SATB2 mutation. METHODS We applied whole exome sequencing (WES) to identify the novel mutation of SATB2 in a Chinese patient with SAS. Construction and overexpression of wild-type and the mutant vector was performed, followed by functional analysis including flow cytometry assay, fluorescent immunocytochemistry, western blot, quantitative real-time PCR and Alizarin Red S staining to investigate its impact on hDPSCs and the underlying mechanisms. RESULTS As a result, we identified a novel frameshift mutation of SATB2 (c. 376_378delinsTT) in a patient with SAS exhibiting tooth agenesis. Human DPSCs transfected with mutant SATB2 showed decreased cell proliferation and odontogenic differentiation capacity compared with hDPSCs transfected with wild-type SATB2 plasmid. Mechanistically, mutant SATB2 failed to translocate into nucleus and distributed in the cytoplasm, failing to activate Wnt/β-catenin signaling pathway, whereas the wild-type SATB2 translocated into the nucleus and upregulated the expression of active β-catenin. When we used Wnt inhibitor XAV939 to treat hDPSCs transfected with wild-type SATB2 plasmid, the increased odontogenic differentiation capacity was attenuated. Furthermore, we found that SATB2 mutation resulted in the upregulation of DKK1 and histone demethylase JHDM1D to inhibit Wnt/β-catenin signaling pathway. CONCLUSION We identified a novel frameshift mutation of SATB2 (c.376_378delinsTT, p.Leu126SerfsX6) in a Chinese patient with SATB2-associated syndrome (SAS) exhibiting tooth agenesis. Mechanistically, SATB2 regulated osteo/odontogenesis of human dental pulp stem cells through Wnt/β-catenin signaling pathway by regulating DKK1 and histone demethylase JHDM1D.
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Affiliation(s)
- Tianyi Xin
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China
| | - Qian Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China
| | - Rushui Bai
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China
| | - Ting Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China
| | - Yanheng Zhou
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China
| | - Yuehua Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Bing Han
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China.
| | - Ruili Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, People's Republic of China.
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Chen Q, Zheng L, Zhang Y, Huang X, Wang F, Li S, Yang Z, Liang F, Hu J, Jiang Y, Li Y, Zhou P, Luo W, Zhang H. Special AT-rich sequence-binding protein 2 (Satb2) synergizes with Bmp9 and is essential for osteo/odontogenic differentiation of mouse incisor mesenchymal stem cells. Cell Prolif 2021; 54:e13016. [PMID: 33660290 PMCID: PMC8016638 DOI: 10.1111/cpr.13016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVES Mouse incisor mesenchymal stem cells (MSCs) have self-renewal ability and osteo/odontogenic differentiation potential. However, the mechanism controlling the continuous self-renewal and osteo/odontogenic differentiation of mouse incisor MSCs remains unclear. Special AT-rich sequence-binding protein 2 (SATB2) positively regulates craniofacial patterning, bone development and regeneration, whereas SATB2 deletion or mutation leads to craniomaxillofacial dysplasia and delayed tooth and root development, similar to bone morphogenetic protein (BMP) loss-of-function phenotypes. However, the detailed mechanism underlying the SATB2 role in odontogenic MSCs is poorly understood. The aim of this study was to investigate whether SATB2 can regulate self-renewal and osteo/odontogenic differentiation of odontogenic MSCs. MATERIALS AND METHODS Satb2 expression was detected in the rapidly renewing mouse incisor mesenchyme by immunofluorescence staining, quantitative RT-PCR and Western blot analysis. Ad-Satb2 and Ad-siSatb2 were constructed to evaluate the effect of Satb2 on odontogenic MSCs self-renewal and osteo/odontogenic differentiation properties and the potential role of Satb2 with the osteogenic factor bone morphogenetic protein 9 (Bmp9) in vitro and in vivo. RESULTS Satb2 was found to be expressed in mesenchymal cells and pre-odontoblasts/odontoblasts. We further discovered that Satb2 effectively enhances mouse incisor MSCs self-renewal. Satb2 acted synergistically with the potent osteogenic factor Bmp9 in inducing osteo/odontogenic differentiation of mouse incisor MSCs in vitro and in vivo. CONCLUSIONS Satb2 promotes self-renewal and osteo/odontogenic differentiation of mouse incisor MSCs. Thus, Satb2 can cooperate with Bmp9 as a new efficacious bio-factor for osteogenic regeneration and tooth engineering.
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Affiliation(s)
- Qiuman Chen
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Liwen Zheng
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Yuxin Zhang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Xia Huang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Feilong Wang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Shuang Li
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Zhuohui Yang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Fang Liang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Jing Hu
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Yucan Jiang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Yeming Li
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
| | - Pengfei Zhou
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Wenping Luo
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationChongqingChina
| | - Hongmei Zhang
- Chongqing Key Laboratory for Oral Diseases and Biomedical SciencesThe Affiliated Hospital of Stomatology of Chongqing Medical UniversityChongqingChina
- Department of Pediatric DentistryThe Affiliated Stomatology Hospital, Chongqing Medical UniversityChongqingChina
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Tian H, She Z, Gao X, Wang W, Tian H. MicroRNA-31 regulates dental epithelial cell proliferation by targeting Satb2. Biochem Biophys Res Commun 2020; 532:321-328. [PMID: 32873389 DOI: 10.1016/j.bbrc.2020.07.138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 07/29/2020] [Indexed: 12/27/2022]
Abstract
MicroRNAs (miRNAs) exhibit strong potential clinical application owing to their extensive regulation and flexible delivery properties. MicroRNA-31 (miR-31) is an evolutionarily conserved miRNA expressed during tooth development, and it is highly expressed in mouse incisor epithelium. The specific role of miR-31 in odontogenesis has not been elucidated comprehensively, and the aim of the present study was to investigate its activity. Our results showed that miR-31 suppressed LS8 cell proliferation by inhibiting the cell cycle at the G1/S transition. Mutation of Special AT-rich sequence-binding protein 2 (SATB2) gene is responsible for human SATB2-associated syndrome (SAS), which is often accompanied by dental abnormities. Here, it was identified as a direct target of miR-31 in LS8 cells and a promoter of cell proliferation. The expression and distribution of SATB2 in mouse molars and incisors were explored using immunofluorescence, which showed strong signals in the nuclei of incisor epithelial cells and weak signals in the cytoplasm of molar epithelial cells. Moreover, rescue experiments demonstrated that Satb2 could mitigate the inhibitory effect of miR-31 on cell proliferation by promoting the expression of CDK4. Collectively, our results suggested that miR-31 regulates dental epithelial cell proliferation by targeting Satb2, highlighting the biological importance of miR-31 in odontogenesis.
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Affiliation(s)
- Huizhong Tian
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, PR China
| | - Ziwei She
- Department of Biochemistry and Biophysics, School of Basic Medical Sciences, Peking University, PR China
| | - Xuejun Gao
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, PR China
| | - Weiping Wang
- Department of Biochemistry and Biophysics, School of Basic Medical Sciences, Peking University, PR China.
| | - Hua Tian
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, PR China.
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